Home / 17,889.72-26,838.84-5,408.96

Finding the Fourth Proportional to 17,889.72, 26,838.84 and 5,408.96

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Solution

The fourth proportional to 17,889.72, 26,838.84 and 5,408.96 is: 8,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.72 : 26,838.84 = 5,408.96 : x
  2. Step 2: Convert to fraction form
    17,889.72/26,838.84 = 5,408.96/x
  3. Step 3: Cross multiply
    17,889.72x = 26,838.84 × 5,408.96
  4. Step 4: Simplify right side
    17,889.72x = 145,170,212.01
  5. Step 5: Solve for x
    x = 145,170,212.01/17,889.72
  6. Step 6: Final answer
    x = 8,114.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.